| Équations équilibrées la veille |
SnO2 + 2 H2 = Sn + 2 H2O
K2Cr2O7 + K2C2O4 + H2SO4 = Cr2(SO4)3 + CO2 + H2O + K2SO4 =>
K2Cr2O7 + 3 K2C2O4 + 7 H2SO4 = Cr2(SO4)3 + 6 CO2 + 7 H2O + 4 K2SO4
Cl + Na2S2O3 + NaOH = Na2SO4 + NaCl + H2O =>
8 Cl + Na2S2O3 + 10 NaOH = 2 Na2SO4 + 8 NaCl + 5 H2O
Co + Zn(NO3)2 = Co(NO3) + Zn =>
2 Co + Zn(NO3)2 = 2 Co(NO3) + Zn
Cu(SO4) + NaOH = CuOH + Na(SO4) =>
Cu(SO4) + NaOH = CuOH + Na(SO4)
NH = N2 + H2 =>
2 NH = N2 + H2
Cu + H2O2 = Cu(OH)2 =>
Cu + H2O2 = Cu(OH)2
Cu + CaF2 = CuF2 + Ca =>
Cu + CaF2 = CuF2 + Ca
Zn3As2 + HCl = AsH3 + ZnCl2 =>
Zn3As2 + 6 HCl = 2 AsH3 + 3 ZnCl2
Fe = Fe2 =>
2 Fe = Fe2
Ga + F2 = GaF3 =>
2 Ga + 3 F2 = 2 GaF3
CH3COOH + Cr(OH)3 = (CH3COO)3Cr + H2O =>
3 CH3COOH + Cr(OH)3 = (CH3COO)3Cr + 3 H2O
C6H12O6 + Ag(NH3)2OH = Ag + C6H8O7 + NH3 + H2O =>
C6H12O6 + 6 Ag(NH3)2OH = 6 Ag + C6H8O7 + 12 NH3 + 5 H2O
Pb(NO3)2 + Na2(SO4) = PbSO4 + NaNO3 =>
Pb(NO3)2 + Na2(SO4) = PbSO4 + 2 NaNO3
H + SO4 = H2SO4 =>
2 H + SO4 = H2SO4
Fe(ClO4)3(aq) = Fe + ClO4 =>
Fe(ClO4)3(aq) = Fe + 3 ClO4
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
CuCl + O2 + H2O = CuCl2 + Cu(OH)2 =>
4 CuCl + O2 + 2 H2O = 2 CuCl2 + 2 Cu(OH)2
K2CrO4 + N2O6Pb = PbCrO4 + KNO3 =>
K2CrO4 + N2O6Pb = PbCrO4 + 2 KNO3
Fe2(SO4)3 + K2S + H2O = Fe(OH)3 + H2S + K2SO4 =>
Fe2(SO4)3 + 3 K2S + 6 H2O = 2 Fe(OH)3 + 3 H2S + 3 K2SO4
H3NBH3 + H2O = NH4{+} + BO2{-} + H2 =>
H3NBH3 + 2 H2O = NH4{+} + BO2{-} + 3 H2
C2H3COOH + NaOH = C2H3COONa + H2O =>
C2H3COOH + NaOH = C2H3COONa + H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
K2S(aq) + Pb(NO3)2(aq) = KNO3(aq) + PbS(aq) =>
K2S(aq) + Pb(NO3)2(aq) = 2 KNO3(aq) + PbS(aq)
Ca(HCO3)2 + HI = CaI + H(HCO3)2 =>
Ca(HCO3)2 + HI = CaI + H(HCO3)2
K2SeO3 + Cl2 + H2O = K2SeO4 + HCl =>
K2SeO3 + Cl2 + H2O = K2SeO4 + 2 HCl
H3BO3 + Mg = Mg(BO2)2 + H2 + H2O =>
2 H3BO3 + Mg = Mg(BO2)2 + H2 + 2 H2O
Fe2(CO3)2 = FeO + CO2 =>
Fe2(CO3)2 = 2 FeO + 2 CO2
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
C2O4 + H2O = H2C2O4 + OH =>
C2O4 + 2 H2O = H2C2O4 + 2 OH
HF + KOH = HOH + KF =>
HF + KOH = HOH + KF
MgSO4 + Sr(NO3)2 = Mg(NO3)2 + SrSO4 =>
MgSO4 + Sr(NO3)2 = Mg(NO3)2 + SrSO4
Si(OCH2CH3)4 + H2O = Si(OCH2CH3)3OH + CH3CH2OH =>
Si(OCH2CH3)4 + H2O = Si(OCH2CH3)3OH + CH3CH2OH
BaBr2 + MgSO4 = BaSO4 + Br2Mg =>
BaBr2 + MgSO4 = BaSO4 + Br2Mg
Na[Ag(CN)2] + Na2S2O3 = NaCN + Na3[Ag(S2O3)2] =>
Na[Ag(CN)2] + 2 Na2S2O3 = 2 NaCN + Na3[Ag(S2O3)2]
Al + CsOH = CsAlO + H2 =>
2 Al + 2 CsOH = 2 CsAlO + H2
C3H4 + Br2 = C3H3Br + HBr =>
C3H4 + Br2 = C3H3Br + HBr
Al + B = AlB =>
Al + B = AlB
As2O3 + K2Cr2O7 + H2SO4 = As2O5 + Cr2(SO4)3 + H2O + K2SO4 =>
3 As2O3 + 2 K2Cr2O7 + 8 H2SO4 = 3 As2O5 + 2 Cr2(SO4)3 + 8 H2O + 2 K2SO4
H4P2O7 + Ni(OH)2 = Ni(H2P2O7) + H2O =>
H4P2O7 + Ni(OH)2 = Ni(H2P2O7) + 2 H2O
SO = S + O =>
SO = S + O
Pb(NO3)2(aq) + CoCl2(aq) = PbCl2(s) + Co(NO3)2(aq) =>
Pb(NO3)2(aq) + CoCl2(aq) = PbCl2(s) + Co(NO3)2(aq)
KF + H2O = HF + KOH =>
KF + H2O = HF + KOH
LiCl(aq) + NaOH(aq) = LiOH + NaCl =>
LiCl(aq) + NaOH(aq) = LiOH + NaCl
C + H2SO4 + H2O = H2SO3 + H2CO3 =>
C + 2 H2SO4 + H2O = 2 H2SO3 + H2CO3
(NH4)2CO3 + H2O = H2CO3 + NH4OH =>
(NH4)2CO3 + 2 H2O = H2CO3 + 2 NH4OH
Fe(s) + H2O = Fe3O4(s) + H2(g) =>
3 Fe(s) + 4 H2O = Fe3O4(s) + 4 H2(g)
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
Cr + F = CrF3 =>
Cr + 3 F = CrF3
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Équations équilibrées sur10/23/24
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